161947100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 439971840

約数和(自身を除く): 278024740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 31, 34, 35, 50, 62, 68, 70, 85, 100, 119, 124, 140, 155, 170, 175, 217, 238, 310, 340, 350, 425, 434, 439, 476, 527, 595, 620, 700, 775, 850, 868, 878, 1054, 1085, 1190, 1550, 1700, 1756, 2108, 2170, 2195, 2380, 2635, 2975, 3073, 3100, 3689, 4340, 4390, 5270, 5425, 5950, 6146, 7378, 7463, 8780, 10540, 10850, 10975, 11900, 12292, 13175, 13609, 14756, 14926, 15365, 18445, 21700, 21950, 26350, 27218, 29852, 30730, 36890, 37315, 43900, 52241, 52700, 54436, 61460, 68045, 73780, 74630, 76825, 92225, 95263, 104482, 136090, 149260, 153650, 184450, 186575, 190526, 208964, 231353, 261205, 272180, 307300, 340225, 368900, 373150, 381052, 462706, 476315, 522410, 680450, 746300, 925412, 952630, 1044820, 1156765, 1306025, 1360900, 1619471, 1905260, 2313530, 2381575, 2612050, 3238942, 4627060, 4763150, 5224100, 5783825, 6477884, 8097355, 9526300, 11567650, 16194710, 23135300, 32389420, 40486775, 80973550, 161947100]

約数ペア:

[(1, 161947100), (2, 80973550), (4, 40486775), (5, 32389420), (7, 23135300), (10, 16194710), (14, 11567650), (17, 9526300), (20, 8097355), (25, 6477884), (28, 5783825), (31, 5224100), (34, 4763150), (35, 4627060), (50, 3238942), (62, 2612050), (68, 2381575), (70, 2313530), (85, 1905260), (100, 1619471), (119, 1360900), (124, 1306025), (140, 1156765), (155, 1044820), (170, 952630), (175, 925412), (217, 746300), (238, 680450), (310, 522410), (340, 476315), (350, 462706), (425, 381052), (434, 373150), (439, 368900), (476, 340225), (527, 307300), (595, 272180), (620, 261205), (700, 231353), (775, 208964), (850, 190526), (868, 186575), (878, 184450), (1054, 153650), (1085, 149260), (1190, 136090), (1550, 104482), (1700, 95263), (1756, 92225), (2108, 76825), (2170, 74630), (2195, 73780), (2380, 68045), (2635, 61460), (2975, 54436), (3073, 52700), (3100, 52241), (3689, 43900), (4340, 37315), (4390, 36890), (5270, 30730), (5425, 29852), (5950, 27218), (6146, 26350), (7378, 21950), (7463, 21700), (8780, 18445), (10540, 15365), (10850, 14926), (10975, 14756), (11900, 13609), (12292, 13175)]